Vašašová, ZlataŽitniaková Gurgová, Beata2021-12-162021-12-162021978-80-557-1915-3https://doi.org/10.24040/2021.9788055719153https://repo.umb.sk/handle/123456789/151skCC BY Creative Commons Attribution („uvedenie autora“) 4.0.info:eu-repo/semantics/openAccessBook